Annotation of mandoc/man_term.c, Revision 1.42
1.42 ! kristaps 1: /* $Id: man_term.c,v 1.41 2009/10/18 19:17:14 kristaps Exp $ */
1.1 kristaps 2: /*
1.9 kristaps 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.8 kristaps 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.8 kristaps 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: */
1.28 kristaps 17: #include <sys/types.h>
18:
1.1 kristaps 19: #include <assert.h>
1.18 kristaps 20: #include <ctype.h>
1.31 kristaps 21: #include <err.h>
1.1 kristaps 22: #include <stdio.h>
23: #include <stdlib.h>
24: #include <string.h>
25:
1.40 kristaps 26: #include "out.h"
1.36 kristaps 27: #include "man.h"
1.1 kristaps 28: #include "term.h"
1.36 kristaps 29: #include "chars.h"
30: #include "main.h"
1.1 kristaps 31:
1.18 kristaps 32: #define INDENT 7
33: #define HALFINDENT 3
34:
1.24 kristaps 35: struct mtermp {
36: int fl;
1.19 kristaps 37: #define MANT_LITERAL (1 << 0)
1.26 kristaps 38: /*
39: * Default amount to indent the left margin after leading text
40: * has been printed (e.g., `HP' left-indent, `TP' and `IP' body
41: * indent). This needs to be saved because `HP' and so on, if
42: * not having a specified value, must default.
43: *
44: * Note that this is the indentation AFTER the left offset, so
45: * the total offset is usually offset + lmargin.
46: */
47: size_t lmargin;
48: /*
49: * The default offset, i.e., the amount between any text and the
50: * page boundary.
51: */
52: size_t offset;
1.24 kristaps 53: };
1.19 kristaps 54:
1.1 kristaps 55: #define DECL_ARGS struct termp *p, \
1.24 kristaps 56: struct mtermp *mt, \
1.1 kristaps 57: const struct man_node *n, \
58: const struct man_meta *m
59:
60: struct termact {
61: int (*pre)(DECL_ARGS);
62: void (*post)(DECL_ARGS);
63: };
64:
1.39 kristaps 65: #ifdef __linux__
66: extern size_t strlcpy(char *, const char *, size_t);
67: extern size_t strlcat(char *, const char *, size_t);
68: #endif
69:
70: static int arg2width(const struct man_node *);
71: static int arg2height(const struct man_node *);
72:
73: static void print_head(struct termp *,
74: const struct man_meta *);
75: static void print_body(DECL_ARGS);
76: static void print_node(DECL_ARGS);
77: static void print_foot(struct termp *,
78: const struct man_meta *);
79: static void print_bvspace(struct termp *,
80: const struct man_node *);
81:
1.1 kristaps 82: static int pre_B(DECL_ARGS);
1.3 kristaps 83: static int pre_BI(DECL_ARGS);
1.19 kristaps 84: static int pre_HP(DECL_ARGS);
1.1 kristaps 85: static int pre_I(DECL_ARGS);
1.4 kristaps 86: static int pre_IP(DECL_ARGS);
1.3 kristaps 87: static int pre_IR(DECL_ARGS);
1.1 kristaps 88: static int pre_PP(DECL_ARGS);
1.3 kristaps 89: static int pre_RB(DECL_ARGS);
90: static int pre_RI(DECL_ARGS);
1.26 kristaps 91: static int pre_RS(DECL_ARGS);
1.1 kristaps 92: static int pre_SH(DECL_ARGS);
93: static int pre_SS(DECL_ARGS);
94: static int pre_TP(DECL_ARGS);
1.19 kristaps 95: static int pre_br(DECL_ARGS);
96: static int pre_fi(DECL_ARGS);
1.29 kristaps 97: static int pre_ign(DECL_ARGS);
1.19 kristaps 98: static int pre_nf(DECL_ARGS);
99: static int pre_r(DECL_ARGS);
100: static int pre_sp(DECL_ARGS);
1.1 kristaps 101:
102: static void post_B(DECL_ARGS);
103: static void post_I(DECL_ARGS);
1.22 kristaps 104: static void post_IP(DECL_ARGS);
1.20 kristaps 105: static void post_HP(DECL_ARGS);
1.26 kristaps 106: static void post_RS(DECL_ARGS);
1.1 kristaps 107: static void post_SH(DECL_ARGS);
108: static void post_SS(DECL_ARGS);
1.21 kristaps 109: static void post_TP(DECL_ARGS);
1.19 kristaps 110: static void post_i(DECL_ARGS);
1.1 kristaps 111:
1.32 kristaps 112: static const struct termact termacts[MAN_MAX] = {
1.15 kristaps 113: { pre_br, NULL }, /* br */
1.1 kristaps 114: { NULL, NULL }, /* TH */
115: { pre_SH, post_SH }, /* SH */
116: { pre_SS, post_SS }, /* SS */
1.21 kristaps 117: { pre_TP, post_TP }, /* TP */
1.1 kristaps 118: { pre_PP, NULL }, /* LP */
119: { pre_PP, NULL }, /* PP */
120: { pre_PP, NULL }, /* P */
1.22 kristaps 121: { pre_IP, post_IP }, /* IP */
1.20 kristaps 122: { pre_HP, post_HP }, /* HP */
1.1 kristaps 123: { NULL, NULL }, /* SM */
124: { pre_B, post_B }, /* SB */
1.3 kristaps 125: { pre_BI, NULL }, /* BI */
1.35 kristaps 126: { pre_BI, NULL }, /* IB */
127: { pre_RB, NULL }, /* BR */
1.3 kristaps 128: { pre_RB, NULL }, /* RB */
1.1 kristaps 129: { NULL, NULL }, /* R */
130: { pre_B, post_B }, /* B */
131: { pre_I, post_I }, /* I */
1.3 kristaps 132: { pre_IR, NULL }, /* IR */
133: { pre_RI, NULL }, /* RI */
1.27 kristaps 134: { NULL, NULL }, /* na */
1.19 kristaps 135: { pre_I, post_i }, /* i */
136: { pre_sp, NULL }, /* sp */
137: { pre_nf, NULL }, /* nf */
138: { pre_fi, NULL }, /* fi */
139: { pre_r, NULL }, /* r */
1.25 kristaps 140: { NULL, NULL }, /* RE */
1.26 kristaps 141: { pre_RS, post_RS }, /* RS */
1.29 kristaps 142: { pre_ign, NULL }, /* DT */
143: { pre_ign, NULL }, /* UC */
1.1 kristaps 144: };
145:
146:
147:
1.31 kristaps 148: void
1.36 kristaps 149: terminal_man(void *arg, const struct man *man)
1.1 kristaps 150: {
1.36 kristaps 151: struct termp *p;
152: const struct man_node *n;
153: const struct man_meta *m;
154: struct mtermp mt;
155:
156: p = (struct termp *)arg;
157:
158: if (NULL == p->symtab)
159: switch (p->enc) {
160: case (TERMENC_ASCII):
161: p->symtab = chars_init(CHARS_ASCII);
162: break;
163: default:
164: abort();
165: /* NOTREACHED */
166: }
167:
168: n = man_node(man);
169: m = man_meta(man);
1.1 kristaps 170:
1.36 kristaps 171: print_head(p, m);
1.1 kristaps 172: p->flags |= TERMP_NOSPACE;
1.19 kristaps 173:
1.24 kristaps 174: mt.fl = 0;
175: mt.lmargin = INDENT;
1.26 kristaps 176: mt.offset = INDENT;
1.24 kristaps 177:
1.36 kristaps 178: if (n->child)
179: print_body(p, &mt, n->child, m);
180: print_foot(p, m);
1.1 kristaps 181: }
182:
183:
1.39 kristaps 184: static int
185: arg2height(const struct man_node *n)
1.18 kristaps 186: {
1.40 kristaps 187: struct roffsu su;
1.18 kristaps 188:
1.39 kristaps 189: assert(MAN_TEXT == n->type);
190: assert(n->string);
1.40 kristaps 191: if ( ! a2roffsu(n->string, &su, SCALE_VS))
192: SCALE_VS_INIT(&su, strlen(n->string));
1.18 kristaps 193:
1.41 kristaps 194: return((int)term_vspan(&su));
1.18 kristaps 195: }
196:
197:
198: static int
1.39 kristaps 199: arg2width(const struct man_node *n)
1.38 kristaps 200: {
1.40 kristaps 201: struct roffsu su;
1.38 kristaps 202:
1.39 kristaps 203: assert(MAN_TEXT == n->type);
204: assert(n->string);
1.40 kristaps 205: if ( ! a2roffsu(n->string, &su, SCALE_BU))
1.41 kristaps 206: return(-1);
1.40 kristaps 207:
1.41 kristaps 208: return((int)term_hspan(&su));
1.38 kristaps 209: }
210:
211:
1.39 kristaps 212: static void
213: print_bvspace(struct termp *p, const struct man_node *n)
1.18 kristaps 214: {
1.39 kristaps 215: term_newln(p);
1.18 kristaps 216:
1.39 kristaps 217: if (NULL == n->prev)
218: return;
1.18 kristaps 219:
1.39 kristaps 220: if (MAN_SS == n->prev->tok)
221: return;
222: if (MAN_SH == n->prev->tok)
223: return;
1.18 kristaps 224:
1.39 kristaps 225: term_vspace(p);
1.18 kristaps 226: }
227:
228:
1.3 kristaps 229: /* ARGSUSED */
1.1 kristaps 230: static int
1.29 kristaps 231: pre_ign(DECL_ARGS)
232: {
233:
234: return(0);
235: }
236:
237:
238: /* ARGSUSED */
239: static int
1.1 kristaps 240: pre_I(DECL_ARGS)
241: {
242:
1.30 kristaps 243: p->under++;
1.1 kristaps 244: return(1);
245: }
246:
247:
1.3 kristaps 248: /* ARGSUSED */
1.19 kristaps 249: static int
250: pre_r(DECL_ARGS)
251: {
252:
1.30 kristaps 253: p->bold = p->under = 0;
1.19 kristaps 254: return(1);
255: }
256:
257:
258: /* ARGSUSED */
259: static void
260: post_i(DECL_ARGS)
261: {
262:
263: if (n->nchild)
1.30 kristaps 264: p->under--;
1.19 kristaps 265: }
266:
267:
268: /* ARGSUSED */
1.1 kristaps 269: static void
270: post_I(DECL_ARGS)
271: {
272:
1.30 kristaps 273: p->under--;
1.1 kristaps 274: }
275:
276:
1.3 kristaps 277: /* ARGSUSED */
278: static int
1.19 kristaps 279: pre_fi(DECL_ARGS)
280: {
281:
1.24 kristaps 282: mt->fl &= ~MANT_LITERAL;
1.19 kristaps 283: return(1);
284: }
285:
286:
287: /* ARGSUSED */
288: static int
289: pre_nf(DECL_ARGS)
290: {
291:
292: term_newln(p);
1.24 kristaps 293: mt->fl |= MANT_LITERAL;
1.19 kristaps 294: return(1);
295: }
296:
297:
298: /* ARGSUSED */
299: static int
1.3 kristaps 300: pre_IR(DECL_ARGS)
301: {
302: const struct man_node *nn;
303: int i;
304:
305: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
306: if ( ! (i % 2))
1.30 kristaps 307: p->under++;
1.4 kristaps 308: if (i > 0)
309: p->flags |= TERMP_NOSPACE;
1.24 kristaps 310: print_node(p, mt, nn, m);
1.3 kristaps 311: if ( ! (i % 2))
1.30 kristaps 312: p->under--;
1.3 kristaps 313: }
314: return(0);
315: }
316:
317:
318: /* ARGSUSED */
319: static int
1.35 kristaps 320: pre_RB(DECL_ARGS)
1.3 kristaps 321: {
322: const struct man_node *nn;
323: int i;
324:
325: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.35 kristaps 326: if (i % 2 && MAN_RB == n->tok)
327: p->bold++;
328: else if ( ! (i % 2) && MAN_RB != n->tok)
1.30 kristaps 329: p->bold++;
1.35 kristaps 330:
1.4 kristaps 331: if (i > 0)
332: p->flags |= TERMP_NOSPACE;
1.35 kristaps 333:
1.24 kristaps 334: print_node(p, mt, nn, m);
1.35 kristaps 335:
336: if (i % 2 && MAN_RB == n->tok)
1.30 kristaps 337: p->bold--;
1.35 kristaps 338: else if ( ! (i % 2) && MAN_RB != n->tok)
1.30 kristaps 339: p->bold--;
1.3 kristaps 340: }
341: return(0);
342: }
343:
344:
345: /* ARGSUSED */
346: static int
347: pre_RI(DECL_ARGS)
348: {
349: const struct man_node *nn;
350: int i;
351:
352: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
353: if ( ! (i % 2))
1.30 kristaps 354: p->under++;
1.4 kristaps 355: if (i > 0)
356: p->flags |= TERMP_NOSPACE;
1.24 kristaps 357: print_node(p, mt, nn, m);
1.3 kristaps 358: if ( ! (i % 2))
1.30 kristaps 359: p->under--;
1.3 kristaps 360: }
361: return(0);
362: }
363:
364:
365: /* ARGSUSED */
366: static int
367: pre_BI(DECL_ARGS)
368: {
1.35 kristaps 369: const struct man_node *nn;
370: int i;
1.3 kristaps 371:
372: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.35 kristaps 373: if (i % 2 && MAN_BI == n->tok)
1.30 kristaps 374: p->under++;
1.35 kristaps 375: else if (i % 2)
376: p->bold++;
377: else if (MAN_BI == n->tok)
378: p->bold++;
1.30 kristaps 379: else
1.35 kristaps 380: p->under++;
381:
382: if (i)
1.4 kristaps 383: p->flags |= TERMP_NOSPACE;
1.24 kristaps 384: print_node(p, mt, nn, m);
1.35 kristaps 385:
386: if (i % 2 && MAN_BI == n->tok)
1.30 kristaps 387: p->under--;
1.35 kristaps 388: else if (i % 2)
389: p->bold--;
390: else if (MAN_BI == n->tok)
391: p->bold--;
1.30 kristaps 392: else
1.35 kristaps 393: p->under--;
1.3 kristaps 394: }
395: return(0);
396: }
397:
398:
399: /* ARGSUSED */
1.1 kristaps 400: static int
401: pre_B(DECL_ARGS)
402: {
403:
1.30 kristaps 404: p->bold++;
1.1 kristaps 405: return(1);
406: }
407:
408:
1.3 kristaps 409: /* ARGSUSED */
1.1 kristaps 410: static void
411: post_B(DECL_ARGS)
412: {
413:
1.30 kristaps 414: p->bold--;
1.1 kristaps 415: }
416:
417:
1.3 kristaps 418: /* ARGSUSED */
1.1 kristaps 419: static int
1.19 kristaps 420: pre_sp(DECL_ARGS)
421: {
422: int i, len;
423:
1.39 kristaps 424: len = n->child ? arg2height(n->child) : 1;
1.38 kristaps 425:
1.19 kristaps 426: if (0 == len)
427: term_newln(p);
428: for (i = 0; i < len; i++)
429: term_vspace(p);
430:
431: return(0);
432: }
433:
434:
435: /* ARGSUSED */
436: static int
1.15 kristaps 437: pre_br(DECL_ARGS)
438: {
439:
440: term_newln(p);
441: return(0);
442: }
443:
444:
445: /* ARGSUSED */
446: static int
1.19 kristaps 447: pre_HP(DECL_ARGS)
448: {
1.24 kristaps 449: size_t len;
450: int ival;
451: const struct man_node *nn;
1.19 kristaps 452:
1.20 kristaps 453: switch (n->type) {
454: case (MAN_BLOCK):
1.39 kristaps 455: print_bvspace(p, n);
1.24 kristaps 456: return(1);
1.20 kristaps 457: case (MAN_BODY):
458: p->flags |= TERMP_NOBREAK;
459: p->flags |= TERMP_TWOSPACE;
460: break;
461: default:
462: return(0);
463: }
464:
1.26 kristaps 465: len = mt->lmargin;
1.24 kristaps 466: ival = -1;
467:
468: /* Calculate offset. */
469:
1.39 kristaps 470: if (NULL != (nn = n->parent->head->child))
471: if ((ival = arg2width(nn)) >= 0)
1.24 kristaps 472: len = (size_t)ival;
473:
474: if (0 == len)
475: len = 1;
476:
1.26 kristaps 477: p->offset = mt->offset;
478: p->rmargin = mt->offset + len;
1.24 kristaps 479:
480: if (ival >= 0)
1.26 kristaps 481: mt->lmargin = (size_t)ival;
1.24 kristaps 482:
1.19 kristaps 483: return(1);
484: }
485:
486:
487: /* ARGSUSED */
1.20 kristaps 488: static void
489: post_HP(DECL_ARGS)
490: {
491:
492: switch (n->type) {
1.24 kristaps 493: case (MAN_BLOCK):
494: term_flushln(p);
495: break;
1.20 kristaps 496: case (MAN_BODY):
497: term_flushln(p);
498: p->flags &= ~TERMP_NOBREAK;
499: p->flags &= ~TERMP_TWOSPACE;
1.26 kristaps 500: p->offset = mt->offset;
1.20 kristaps 501: p->rmargin = p->maxrmargin;
502: break;
503: default:
504: break;
505: }
506: }
507:
508:
509: /* ARGSUSED */
1.19 kristaps 510: static int
1.1 kristaps 511: pre_PP(DECL_ARGS)
512: {
513:
1.19 kristaps 514: switch (n->type) {
515: case (MAN_BLOCK):
1.24 kristaps 516: mt->lmargin = INDENT;
1.39 kristaps 517: print_bvspace(p, n);
1.19 kristaps 518: break;
519: default:
1.26 kristaps 520: p->offset = mt->offset;
1.19 kristaps 521: break;
522: }
523:
524: return(1);
1.1 kristaps 525: }
526:
527:
1.3 kristaps 528: /* ARGSUSED */
1.1 kristaps 529: static int
1.4 kristaps 530: pre_IP(DECL_ARGS)
531: {
1.22 kristaps 532: const struct man_node *nn;
533: size_t len;
534: int ival;
1.18 kristaps 535:
1.22 kristaps 536: switch (n->type) {
537: case (MAN_BODY):
538: p->flags |= TERMP_NOLPAD;
539: p->flags |= TERMP_NOSPACE;
540: break;
541: case (MAN_HEAD):
542: p->flags |= TERMP_NOBREAK;
543: p->flags |= TERMP_TWOSPACE;
544: break;
1.23 kristaps 545: case (MAN_BLOCK):
1.39 kristaps 546: print_bvspace(p, n);
1.23 kristaps 547: /* FALLTHROUGH */
1.22 kristaps 548: default:
549: return(1);
550: }
1.18 kristaps 551:
1.26 kristaps 552: len = mt->lmargin;
1.22 kristaps 553: ival = -1;
1.4 kristaps 554:
1.22 kristaps 555: /* Calculate offset. */
1.4 kristaps 556:
1.22 kristaps 557: if (NULL != (nn = n->parent->head->child))
558: if (NULL != (nn = nn->next)) {
559: for ( ; nn->next; nn = nn->next)
560: /* Do nothing. */ ;
1.39 kristaps 561: if ((ival = arg2width(nn)) >= 0)
1.22 kristaps 562: len = (size_t)ival;
563: }
1.4 kristaps 564:
1.22 kristaps 565: switch (n->type) {
566: case (MAN_HEAD):
1.23 kristaps 567: /* Handle zero-width lengths. */
568: if (0 == len)
569: len = 1;
570:
1.26 kristaps 571: p->offset = mt->offset;
572: p->rmargin = mt->offset + len;
1.22 kristaps 573: if (ival < 0)
574: break;
1.18 kristaps 575:
1.24 kristaps 576: /* Set the saved left-margin. */
1.26 kristaps 577: mt->lmargin = (size_t)ival;
1.24 kristaps 578:
1.22 kristaps 579: /* Don't print the length value. */
580: for (nn = n->child; nn->next; nn = nn->next)
1.24 kristaps 581: print_node(p, mt, nn, m);
1.22 kristaps 582: return(0);
1.23 kristaps 583: case (MAN_BODY):
1.26 kristaps 584: p->offset = mt->offset + len;
1.23 kristaps 585: p->rmargin = p->maxrmargin;
586: break;
1.22 kristaps 587: default:
588: break;
1.18 kristaps 589: }
590:
1.22 kristaps 591: return(1);
592: }
1.18 kristaps 593:
594:
1.22 kristaps 595: /* ARGSUSED */
596: static void
597: post_IP(DECL_ARGS)
598: {
1.4 kristaps 599:
1.22 kristaps 600: switch (n->type) {
601: case (MAN_HEAD):
602: term_flushln(p);
603: p->flags &= ~TERMP_NOBREAK;
604: p->flags &= ~TERMP_TWOSPACE;
605: p->rmargin = p->maxrmargin;
606: break;
607: case (MAN_BODY):
608: term_flushln(p);
609: p->flags &= ~TERMP_NOLPAD;
610: break;
611: default:
612: break;
613: }
1.4 kristaps 614: }
615:
616:
617: /* ARGSUSED */
618: static int
1.1 kristaps 619: pre_TP(DECL_ARGS)
620: {
1.23 kristaps 621: const struct man_node *nn;
622: size_t len;
623: int ival;
1.1 kristaps 624:
1.21 kristaps 625: switch (n->type) {
626: case (MAN_HEAD):
627: p->flags |= TERMP_NOBREAK;
628: p->flags |= TERMP_TWOSPACE;
629: break;
630: case (MAN_BODY):
631: p->flags |= TERMP_NOLPAD;
632: p->flags |= TERMP_NOSPACE;
1.23 kristaps 633: break;
634: case (MAN_BLOCK):
1.39 kristaps 635: print_bvspace(p, n);
1.23 kristaps 636: /* FALLTHROUGH */
637: default:
638: return(1);
639: }
640:
1.24 kristaps 641: len = (size_t)mt->lmargin;
1.23 kristaps 642: ival = -1;
643:
644: /* Calculate offset. */
645:
646: if (NULL != (nn = n->parent->head->child))
1.39 kristaps 647: if (NULL != nn->next)
648: if ((ival = arg2width(nn)) >= 0)
1.23 kristaps 649: len = (size_t)ival;
650:
651: switch (n->type) {
652: case (MAN_HEAD):
653: /* Handle zero-length properly. */
654: if (0 == len)
655: len = 1;
656:
1.26 kristaps 657: p->offset = mt->offset;
658: p->rmargin = mt->offset + len;
1.23 kristaps 659:
660: /* Don't print same-line elements. */
661: for (nn = n->child; nn; nn = nn->next)
662: if (nn->line > n->line)
1.24 kristaps 663: print_node(p, mt, nn, m);
664:
665: if (ival >= 0)
1.26 kristaps 666: mt->lmargin = (size_t)ival;
1.24 kristaps 667:
1.23 kristaps 668: return(0);
669: case (MAN_BODY):
1.26 kristaps 670: p->offset = mt->offset + len;
1.23 kristaps 671: p->rmargin = p->maxrmargin;
1.21 kristaps 672: break;
673: default:
674: break;
675: }
1.16 kristaps 676:
1.21 kristaps 677: return(1);
678: }
1.1 kristaps 679:
680:
1.21 kristaps 681: /* ARGSUSED */
682: static void
683: post_TP(DECL_ARGS)
684: {
1.1 kristaps 685:
1.21 kristaps 686: switch (n->type) {
687: case (MAN_HEAD):
688: term_flushln(p);
689: p->flags &= ~TERMP_NOBREAK;
690: p->flags &= ~TERMP_TWOSPACE;
691: p->rmargin = p->maxrmargin;
692: break;
693: case (MAN_BODY):
694: term_flushln(p);
695: p->flags &= ~TERMP_NOLPAD;
696: break;
697: default:
698: break;
699: }
1.1 kristaps 700: }
701:
702:
1.3 kristaps 703: /* ARGSUSED */
1.1 kristaps 704: static int
705: pre_SS(DECL_ARGS)
706: {
707:
1.19 kristaps 708: switch (n->type) {
709: case (MAN_BLOCK):
1.24 kristaps 710: mt->lmargin = INDENT;
1.26 kristaps 711: mt->offset = INDENT;
1.24 kristaps 712: /* If following a prior empty `SS', no vspace. */
713: if (n->prev && MAN_SS == n->prev->tok)
714: if (NULL == n->prev->body->child)
715: break;
716: if (NULL == n->prev)
717: break;
718: term_vspace(p);
1.19 kristaps 719: break;
720: case (MAN_HEAD):
1.30 kristaps 721: p->bold++;
1.19 kristaps 722: p->offset = HALFINDENT;
723: break;
1.24 kristaps 724: case (MAN_BODY):
1.26 kristaps 725: p->offset = mt->offset;
1.24 kristaps 726: break;
1.19 kristaps 727: default:
728: break;
729: }
730:
1.1 kristaps 731: return(1);
732: }
733:
734:
1.3 kristaps 735: /* ARGSUSED */
1.1 kristaps 736: static void
737: post_SS(DECL_ARGS)
738: {
739:
1.19 kristaps 740: switch (n->type) {
741: case (MAN_HEAD):
742: term_newln(p);
1.30 kristaps 743: p->bold--;
1.19 kristaps 744: break;
1.24 kristaps 745: case (MAN_BODY):
746: term_newln(p);
747: break;
1.19 kristaps 748: default:
749: break;
750: }
1.1 kristaps 751: }
752:
753:
1.3 kristaps 754: /* ARGSUSED */
1.1 kristaps 755: static int
756: pre_SH(DECL_ARGS)
757: {
1.22 kristaps 758:
1.19 kristaps 759: switch (n->type) {
760: case (MAN_BLOCK):
1.24 kristaps 761: mt->lmargin = INDENT;
1.26 kristaps 762: mt->offset = INDENT;
1.22 kristaps 763: /* If following a prior empty `SH', no vspace. */
1.19 kristaps 764: if (n->prev && MAN_SH == n->prev->tok)
765: if (NULL == n->prev->body->child)
766: break;
767: term_vspace(p);
768: break;
769: case (MAN_HEAD):
1.30 kristaps 770: p->bold++;
1.19 kristaps 771: p->offset = 0;
772: break;
773: case (MAN_BODY):
1.26 kristaps 774: p->offset = mt->offset;
1.19 kristaps 775: break;
776: default:
777: break;
778: }
1.1 kristaps 779:
780: return(1);
781: }
782:
783:
1.3 kristaps 784: /* ARGSUSED */
1.1 kristaps 785: static void
786: post_SH(DECL_ARGS)
787: {
788:
1.19 kristaps 789: switch (n->type) {
790: case (MAN_HEAD):
791: term_newln(p);
1.30 kristaps 792: p->bold--;
1.19 kristaps 793: break;
794: case (MAN_BODY):
795: term_newln(p);
796: break;
797: default:
798: break;
799: }
1.1 kristaps 800: }
801:
802:
1.26 kristaps 803: /* ARGSUSED */
804: static int
805: pre_RS(DECL_ARGS)
806: {
807: const struct man_node *nn;
808: int ival;
809:
810: switch (n->type) {
811: case (MAN_BLOCK):
812: term_newln(p);
813: return(1);
814: case (MAN_HEAD):
815: return(0);
816: default:
817: break;
818: }
819:
820: if (NULL == (nn = n->parent->head->child)) {
821: mt->offset = mt->lmargin + INDENT;
822: p->offset = mt->offset;
823: return(1);
824: }
825:
1.39 kristaps 826: if ((ival = arg2width(nn)) < 0)
1.26 kristaps 827: return(1);
828:
829: mt->offset = INDENT + (size_t)ival;
830: p->offset = mt->offset;
831:
832: return(1);
833: }
834:
835:
836: /* ARGSUSED */
837: static void
838: post_RS(DECL_ARGS)
839: {
840:
841: switch (n->type) {
842: case (MAN_BLOCK):
843: mt->offset = mt->lmargin = INDENT;
844: break;
845: default:
846: term_newln(p);
847: p->offset = INDENT;
848: break;
849: }
850: }
851:
852:
1.1 kristaps 853: static void
854: print_node(DECL_ARGS)
855: {
1.4 kristaps 856: int c, sz;
1.1 kristaps 857:
858: c = 1;
859:
860: switch (n->type) {
861: case(MAN_TEXT):
1.4 kristaps 862: if (0 == *n->string) {
863: term_vspace(p);
1.1 kristaps 864: break;
865: }
1.4 kristaps 866: /*
867: * Note! This is hacky. Here, we recognise the `\c'
868: * escape embedded in so many -man pages. It's supposed
869: * to remove the subsequent space, so we mark NOSPACE if
870: * it's encountered in the string.
871: */
872: sz = (int)strlen(n->string);
873: term_word(p, n->string);
874: if (sz >= 2 && n->string[sz - 1] == 'c' &&
875: n->string[sz - 2] == '\\')
876: p->flags |= TERMP_NOSPACE;
1.19 kristaps 877: /* FIXME: this means that macro lines are munged! */
1.24 kristaps 878: if (MANT_LITERAL & mt->fl) {
1.19 kristaps 879: p->flags |= TERMP_NOSPACE;
880: term_flushln(p);
881: }
1.1 kristaps 882: break;
883: default:
1.19 kristaps 884: if (termacts[n->tok].pre)
1.24 kristaps 885: c = (*termacts[n->tok].pre)(p, mt, n, m);
1.1 kristaps 886: break;
887: }
888:
889: if (c && n->child)
1.24 kristaps 890: print_body(p, mt, n->child, m);
1.1 kristaps 891:
1.19 kristaps 892: if (MAN_TEXT != n->type)
1.1 kristaps 893: if (termacts[n->tok].post)
1.24 kristaps 894: (*termacts[n->tok].post)(p, mt, n, m);
1.1 kristaps 895: }
896:
897:
898: static void
899: print_body(DECL_ARGS)
900: {
1.19 kristaps 901:
1.24 kristaps 902: print_node(p, mt, n, m);
1.1 kristaps 903: if ( ! n->next)
904: return;
1.24 kristaps 905: print_body(p, mt, n->next, m);
1.1 kristaps 906: }
907:
908:
1.31 kristaps 909: static void
1.1 kristaps 910: print_foot(struct termp *p, const struct man_meta *meta)
911: {
912: struct tm *tm;
1.34 kristaps 913: char buf[BUFSIZ];
1.1 kristaps 914:
915: tm = localtime(&meta->date);
916:
1.42 ! kristaps 917: if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.34 kristaps 918: (void)strlcpy(buf, "(invalid date)", BUFSIZ);
1.1 kristaps 919:
920: term_vspace(p);
921:
922: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
923: p->rmargin = p->maxrmargin - strlen(buf);
924: p->offset = 0;
925:
926: if (meta->source)
927: term_word(p, meta->source);
928: if (meta->source)
929: term_word(p, "");
930: term_flushln(p);
931:
932: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
933: p->offset = p->rmargin;
934: p->rmargin = p->maxrmargin;
935: p->flags &= ~TERMP_NOBREAK;
936:
937: term_word(p, buf);
938: term_flushln(p);
939: }
940:
941:
1.31 kristaps 942: static void
1.1 kristaps 943: print_head(struct termp *p, const struct man_meta *meta)
944: {
945: char *buf, *title;
946:
947: p->rmargin = p->maxrmargin;
948: p->offset = 0;
949:
950: if (NULL == (buf = malloc(p->rmargin)))
1.31 kristaps 951: err(EXIT_FAILURE, "malloc");
1.1 kristaps 952: if (NULL == (title = malloc(p->rmargin)))
1.31 kristaps 953: err(EXIT_FAILURE, "malloc");
1.1 kristaps 954:
955: if (meta->vol)
956: (void)strlcpy(buf, meta->vol, p->rmargin);
957: else
958: *buf = 0;
959:
960: (void)snprintf(title, p->rmargin, "%s(%d)",
961: meta->title, meta->msec);
962:
963: p->offset = 0;
1.10 kristaps 964: p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1 kristaps 965: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
966:
967: term_word(p, title);
968: term_flushln(p);
969:
970: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
971: p->offset = p->rmargin;
972: p->rmargin = p->maxrmargin - strlen(title);
973:
974: term_word(p, buf);
975: term_flushln(p);
976:
977: p->offset = p->rmargin;
978: p->rmargin = p->maxrmargin;
979: p->flags &= ~TERMP_NOBREAK;
980: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
981:
982: term_word(p, title);
983: term_flushln(p);
984:
985: p->rmargin = p->maxrmargin;
986: p->offset = 0;
987: p->flags &= ~TERMP_NOSPACE;
988:
989: free(title);
990: free(buf);
991: }
992:
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